(19)
(11) EP 3 122 946 A1

(12)

(43) Date of publication:
01.02.2017 Bulletin 2017/05

(21) Application number: 15770314.1

(22) Date of filing: 19.02.2015
(51) International Patent Classification (IPC): 
E02F 9/22(2006.01)
(86) International application number:
PCT/US2015/016572
(87) International publication number:
WO 2015/148019 (01.10.2015 Gazette 2015/39)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME

(30) Priority: 24.03.2014 US 201414223698

(71) Applicant: Caterpillar Inc.
Peoria, IL 61629 (US)

(72) Inventors:
  • GORMAN, Corey L.
    Peoria, IL 61614 (US)
  • NACKERS, Adam
    East Peoria, IL 61611 (US)
  • JOHNSON, Jeremiah C.
    Saint John, IN 46373 (US)
  • KRONE, John J.
    Peoria, IL 61615 (US)

(74) Representative: Kramer Barske Schmidtchen Patentanwälte PartG mbB 
European Patent Attorneys Landsberger Strasse 300
80687 München
80687 München (DE)

   


(54) VARIABLE PRESSURE LIMITING FOR VARIABLE DISPLACEMENT PUMPS